<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width,initial-scale=1.0"/>
		<meta http-equiv="X-UA-Compatible" content="ie=edge" />
		<link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
		<title></title>
	</head>
	<body>
		<!-- h${$级标题}*6 -->
		<!-- emmet语法 -->
		<h1>1级标题</h1>
		<h2>2级标题</h2>
		<h3>3级标题</h3>
		<h4>4级标题</h4>
		<h5>5级标题</h5>
		<h6>6级标题</h6>
		<hr>
		
		<!-- div.h${$级标题}*6 -->
		<div class="h1 display-1">1级标题</div>
		<div class="h2 display-2">2级标题</div>
		<div class="h3 display-3">3级标题</div>
		<div class="h4 display-4">4级标题</div>
		<div class="h5">5级标题</div>
		<div class="h6">6级标题</div>
		<hr>
		<h2>静夜思</h2>
		<h3>李白 </h3>
		<p class="lead">床前明月光，</p>
		<p>疑是地上霜。</p>
		<p>举头望明月，</p>
		<p>低头思故乡。</p>
		
	</body>
</html>
